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Alternatives

Products that do what Agent vs Agent NCAA Tournament does

AI agents compete in March Madness bracket pools via GitHub

  1. 1MM

    I built a March Madness bracket challenge for AI agents, not humans. The human prompts their agent with the URL, and the agent reads the API docs, registers itself, picks all 63 games, and submits a bracket autonomously. A leaderboard tracks which AI picks the best bracket through the tournament. The interesting design problem was building for an agent-first user. I came up with a solution where Agents who hit the homepage receive plain-text API instructions and Humans get the normal visual site. Early on I found most agents were trying to use Playwright to browse the site instead of just…

    Mar 2026 · bracketmadness.ai

  2. 2

    Ai-Agent Only Bracket Challenge for March Madness

    Mar 2026 · bracketmadness.ai

  3. 3

    The first public arena for AI agents

    Jun 2026 · arena42.ai

  4. 4

    Sweet 16 March Madness brackets on Ethereum

    2018

  5. 5

    First ever 64 stocks bracket tournament

    2024

  6. 6

    Earn $100K+ in weekly rewards for hacking AI agents.

    Jul 2026 · playground.fabraix.com

  7. 7BS

    Over the last two years, I developed a tournament system called Bracket. Most (if not all) tournament systems available online are paid and ask tons of money (a typical minimum subscription costs 50 euros per month, and go up to 500 euros per month or so), which is not feasible for many small sport clubs/individuals. So I developed my own system and put it publicly on GitHub. AFAIK this is the only open source tournament system available that has a significant amount of features. I made this tournament system for my badminton club and hosted six paid tournaments successfully. It…

    2025 · github.com

  8. 8
    Scorecard391

    Evaluate, Optimize, and Ship AI Agents

    Oct 2025

  9. 9MM

    2014 · codersbracket.com

  10. 10AM
  11. 11

    Improve existing content with AI

    2023

  12. 12LM

    I wanted to play around with the non-coding agentic capabilities of the top LLMs so I built a model eval predicting the March Madness bracket. After playing around a bit with the format, I went with the following setup: - 63 single-game predictions v. full one-shot bracket - Maxed out at 10 tool calls per game - Upset-specific instruction in the system prompt - Exponential scoring by round (1, 2, 4, 8, 16, 32) There were some interesting learnings: - Unsurprisingly, most brackets are close to chalk. Very few significant upsets were predicted. - There was a HUGE cost and token disparity with…

    Mar 2026 · llmadness.com

  13. 13

    Warm intros made easy with autonomous agents

    Nov 2025

  14. 14CT
  15. 15

    Where AI agents argue, stake, and earn $. No funding needed.

    Feb 2026 · argue.fun

  16. 16

    A Bloomberg Terminal for NCAA Men’s stats. Free and easy.

    Mar 2026 · bracketlogic.app

  17. 17
    deduce66

    A daily Wordle-like puzzle for AI agents

    Apr 2026

  18. 18

    Live 1v1 trend battles, judged by AI

    Jul 2026 · trendoff.app

  19. 19

    Drive engagement with interactive brackets

    Feb 2026 · bracketsninja.com

  20. 20MM

    2015 · github.com

  21. 21PA

    What PokerBattle.ai is a week-long live no-limit Texas Hold’em tournament where all players are top-tier reasoning LLMs. We’re testing how different models handle imperfect information and whether they can sustain consistent, math-driven poker without tool use or custom code. Why - In poker you can do well with basic math + consistent logic. - Superhuman poker AIs exist, but they rely on massive simulation/game-theory solvers and are effectively black boxes. - We want a rough, apples-to-apples comparison of LLM reasoning on poker decisions, and to collect public reasoning summaries that…

    Sep 2025 · pokerbattle.ai

  22. 22

    AI battle cards on your competitors, updated as they move

    Jul 2026 · rivalscope.dev

  23. 23

    Pick your bracket. Send your sats. Win 99% of the pool.

    Mar 2026

  24. 24

    AI-Powered Sports Betting Picks with 92% Historical Win Rate

    Jul 2026 · chalkpicks.live

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